Finding the Fourth Proportional to 118,369.37, 163,348.76 and 64,654.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,369.37 : 163,348.76 = 64,654.42 : x
2. Step 2: Convert to fraction form
   118,369.37/163,348.76 = 64,654.42/x
3. Step 3: Cross multiply
   118,369.37x = 163,348.76 × 64,654.42
4. Step 4: Simplify right side
   118,369.37x = 10,561,219,335.52
5. Step 5: Solve for x
   x = 10,561,219,335.52/118,369.37
6. Step 6: Final answer
   x = 89,222.57